• Comment: Unfortunately this needs more work on it. There are only 2 sources, one of which is back to the providing company, the other is effectively self-published. Neither are independent and neither demonstrate notability. So some more work is needed here first. See WP:GNG and the notability panels on the right side. ChrysGalley (talk) 21:57, 18 December 2025 (UTC)
  • Comment: In accordance with Wikipedia's Conflict of interest guideline, I disclose that I have a conflict of interest regarding the subject of this article. Festr (talk) 21:47, 18 December 2025 (UTC)



VoIPmonitor
DeveloperMartin Vít
Written inC++ (packet sniffer), PHP (web interface)
Operating systemLinux
TypeVoIP monitoring software, network packet analyzer
LicenseGNU General Public License (packet sniffer); proprietary commercial license (web interface)
Websitewww.voipmonitor.org

VoIPmonitor is a Voice over IP (VoIP) monitoring application for Linux. It captures VoIP signalling and media traffic (including SIP and RTP) and calculates call-quality metrics such as packet loss, packet delay variation (jitter) and estimated MOS values based on the ITU-T G.107 E-model.[1][2]

VoIPmonitor is typically deployed as a passive sensor that monitors traffic on a network interface or mirrored port and stores per-call statistics for later analysis.[1] The software is distributed as an open-source packet sniffer with an additional commercial web interface.[1][3]

Reception

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Gartner listed VoIPmonitor as a representative vendor in its 2016 Market Guide for Unified Communications Monitoring under "UC In-Depth and Packet-Level Monitoring".[4]

Functionality

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Academic work has used VoIPmonitor to collect packet loss, packet delay variation and MOS measurements during VoIP experiments and evaluations.[1][2]

Use in research

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VoIPmonitor has been used as a measurement tool in academic work, including:

  • a University of Cape Town master's thesis evaluating service quality in virtualised environments;[1]
  • a peer-reviewed paper comparing VoIP quality metrics exported via IPFIX to results from other tools, including VoIPmonitor;[2]
  • a 2015 journal article that used VoIPmonitor in experiments on bandwidth and concurrent call capacity of a VoIP infrastructure.[5]
  • a Brno University of Technology bachelor’s thesis that describes VoIPmonitor as a comparative tool when evaluating call-quality analyzers.[6]

Security

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In 2022, multiple critical vulnerabilities affecting the VoIPmonitor web interface were publicly reported, including an issue tracked as CVE-2022-24260.[3][7]

See also

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References

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  1. ^ a b c d e Nkubito, Phillip Uwizeye (November 2012). Aggregated Service Consolidation by Multi-Server Virtualization (PDF) (Master of Science in Electrical Engineering thesis). University of Cape Town. Retrieved 19 December 2025.
  2. ^ a b c Matoušek, Petr; Kmet, Martin; Basel, Martin (2014). "On-line Monitoring of VoIP Quality Using IPFIX" (PDF). Advances in Electrical and Electronic Engineering. 12 (4). Retrieved 19 December 2025.
  3. ^ a b Lakshmanan, Ravie (2 March 2022). "Critical Security Bugs Uncovered in VoIPmonitor Monitoring Software". The Hacker News. Retrieved 19 December 2025.
  4. ^ Bhalla, Vivek (21 October 2016). Market Guide for Unified Communications Monitoring (Report). Gartner. Retrieved 19 December 2025.
  5. ^ Soroyewun, M. B.; Obiniyi, A. A. (April 2015). "Empirical Study of Achievable Bandwidth Capacity of VoIP Infrastructure in an Intranet with Open Source Tools". International Journal of Applied Information Systems. 8 (6): 40–50. doi:10.5120/ijais15-451325. Retrieved 19 December 2025.
  6. ^ Basel, Martin (2014). Analyzátor kvality hovorů VoIP (Bachelor’s thesis thesis) (in Czech). Brno University of Technology, Faculty of Information Technology. Retrieved 19 December 2025.
  7. ^ "CVE-2022-24260 Detail". National Vulnerability Database. National Institute of Standards and Technology. Retrieved 19 December 2025.
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